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What is the potential return value of the prompt method if the user fails to enter any cryptocurrency details?

avatarMd Asadul IslamNov 28, 2021 · 3 years ago3 answers

When using the prompt method to collect cryptocurrency details from a user, what will be returned if the user fails to enter any details? Will it be null, an empty string, or something else?

What is the potential return value of the prompt method if the user fails to enter any cryptocurrency details?

3 answers

  • avatarNov 28, 2021 · 3 years ago
    If the user fails to enter any cryptocurrency details when using the prompt method, the return value will be an empty string. This means that the variable storing the user input will be assigned an empty string value. It's important to handle this case in your code and validate the user input to ensure that it is not empty before proceeding with any further operations.
  • avatarNov 28, 2021 · 3 years ago
    When the user fails to enter any cryptocurrency details using the prompt method, the return value will be an empty string. This can be checked by comparing the user input to an empty string using an if statement. If the input is empty, you can display an error message or prompt the user again to enter valid details.
  • avatarNov 28, 2021 · 3 years ago
    If the user fails to enter any cryptocurrency details when prompted, the return value will be an empty string. This is the default behavior of the prompt method in JavaScript. However, it's worth noting that different programming languages or frameworks may have different default return values for the prompt method. Always consult the documentation or refer to the specific language's implementation for accurate information.